ascii

?

0x3F

QUESTION MARK

ASCII printable character 0x3F '?', decimal 63.

printable

Quick facts

Hex
0x3F
Decimal
63
Octal
0o077
Binary
0b00111111
Abbreviation
Kind
Printable
Unicode name
QUESTION MARK
Unicode twin
U+003F

Encodings & escapes

UTF-8
UTF-16
UTF-32
HTML decimal
HTML hex
JavaScript
Python
CSS
JSON
URL (UTF-8)
C / C++

Related

Source

Unicode
16.0.0
WHATWG